Safety defect investigations, technical specifications, and manufacturer repair notices for Canadian owners.
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Switch to another Thomas Built Saf-T-Liner Hdx School Bus model year.
Safety recall notices and repair campaigns registered for the 2017 Thomas Built Saf-T-Liner Hdx School Bus in Canada.
On certain school bus seats, the plastic trim (bezel) where the shoulder seat belt comes out of the seatback may be too hard. Canadian regulations have requirements for anything that is installed in certain areas of the seatback. Note: This only affects school buses equipped with certain Syntec M2K and S3C passenger seats with lap/shoulder seat belts.
While this plastic trim is doesn't technically meet the requirements of Canadian regulations, it's unlikely to cause an injury.
This is not a recall. The company made changes in 2017, and all new seats made after that time have a soft vinyl cover trim for the shoulder seat belt.
On certain school buses, the restraining barrier between the entrance door and the first seat may not meet the energy absorption requirements of Canadian regulations.
A barrier that does not properly absorb energy could increase the risk of injury to passengers in a crash.
Daimler Truck North America (DTNA) will notify owners by mail. The corrective actions for this recall are under development.
Certain school buses may not meet Canadian regulations for roof panel joint strength.
A roof joint that is not strong enough could increase the risk of injury in a crash.
Daimler Truck North America (DTNA) will notify owners by mail and instruct you to take your bus to a DTNA authorized service facility to add additional fasteners to the roof lap joints.
On certain school buses, the restraining barrier between the entrance door and the first seat may not meet the energy absorption requirements of Canadian regulations.
A barrier that does not properly absorb energy could increase the risk of injury to passengers in a crash.
Daimler Trucks North America (DTNA) will notify owners by mail. The corrective actions for this recall are under development.
This recall affects certain school buses equipped with SynTec S3B and/or S3C passenger seats. On some seats, the protective foam in certain areas of the seatback may not meet the knee impact requirements of Canadian regulations.
A seatback that does not have proper knee impact protection could increase the risk of injury to occupants in a crash.
The company will notify owners by mail and instruct them to take their vehicle to a Daimler Trucks of North America authorized service facility to install additional protective material in the seatbacks.
A problem with the left-rear brake caliper on certain school buses may cause the brake pads to drag and overheat. This could result in high temperatures, smoke, odour, or a possible fire.
A fire could increase the risk of injury. This could also result in an emergency evacuation of a school bus in an uncontrolled environment, which could also increase the risk of an injury.
The company will notify owners by mail and instruct them to take their vehicle to a Daimler Trucks North America authorized service facility to replace the left-rear brake caliper.
On certain school buses equipped with Syntec S3B restraint seats, under extreme operating conditions, such as adverse road conditions, repetitive shock loads, or occupant abuse, a metal fatigue crack may develop on the rear wall mount bracket of the seat. Over time, this could lead to the wall mount bracket fracturing, which in the event of a crash, could increase the risk of injury to seat occupants. Correction: Daimler Trucks of North America Service Facilities will inspect seats and install an additional wall bracket between the wall rail and the seat as necessary.
A failure of this component (seats and restraints) may increase the risk of a crash or injury.
Authorized dealerships will inspect the vehicle and complete all necessary repairs free of charge (parts and labor).
On certain school buses equipped with Kidde fire extinguishers with black plastic handles and valves, the fire extinguishers may become clogged or require excessive force to activate. Also, the nozzle may detach from the valve assembly with enough force that it could cause injury, and fail to discharge. In case of fire, failure of the extinguisher to function could result in injury and/or property damage. Correction: Owners will be provided with instructions on how to inspect the fire extinguisher to see if it is recalled. Replacement fire extinguishers will be supplied by Kidde directly. Note: For more information about recalled fire extinguishers, please visit www.kidde.com.
A failure of this component (accessories) may increase the risk of a crash or injury.
Authorized dealerships will inspect the vehicle and complete all necessary repairs free of charge (parts and labor).
Certain school buses built with wall-mounted seat options may fail to conform to Canada Motor Vehicle Safety Standard (CMVSS) 222 – School Bus Passenger Seating and Crash Protection. The seats may not have been installed with under-rail washers as intended. Without the under-rail washers properly installed, the seats may not meet the seat anchorage requirements of the standard, which in the event of a crash, could increase the risk of injury to seat occupants. Correction: Dealers will inspect and seat mounting hardware will be replaced as necessary.
A failure of this component (seats and restraints) may increase the risk of a crash or injury.
Authorized dealerships will inspect the vehicle and complete all necessary repairs free of charge (parts and labor).
On certain school buses, the pinch bolt of the upper steering shaft may not have been tightened to the proper specification. This could lead to a loss of the mechanical connection between the steering wheel and front axle wheels, resulting in a loss of steering control, increasing the risk of a crash causing injury and/or damage to property. Correction: Dealers will inspect and ensure proper torque of the upper steering shaft pinch bolt.
A failure of this component (steering) may increase the risk of a crash or injury.
Authorized dealerships will inspect the vehicle and complete all necessary repairs free of charge (parts and labor).
On certain school buses, the coolant line connected to the heater inside the bus may have been built with a fitting made out of incorrect material. This could restrict coolant flow and lead to premature failure of the elbow, causing a coolant leak inside the bus body. As a result, hot coolant may come in contact with the occupants of the vehicle and cause burn injuries. Correction: Dealers will replace buses built with a rubber elbow with a glass-filled nylon fitting.
A failure of this component (heater and defroster) may increase the risk of a crash or injury.
Authorized dealerships will inspect the vehicle and complete all necessary repairs free of charge (parts and labor).
On certain school buses equipped with a transmission retarder, a bypass fitting may locally increase the coolant system pressures beyond the application working pressure of the standard heater hoses. The maximum pressures do not exceed the burst-pressure of the hose but, over time hose fatigue may occur and lead to a premature failure of the heater hose. If the hose were to fail, it may lead to a coolant leak inside the bus body, which may come in contact with the occupants of the vehicle and cause burn injuries. Correction: Dealers will replace the affected heater hose.
A failure of this component (heater and defroster) may increase the risk of a crash or injury.
Authorized dealerships will inspect the vehicle and complete all necessary repairs free of charge (parts and labor).
Certain school buses may not conform to Canada Motor Vehicle Safety Standard (CMVSS) 131 - School Bus Pedestrian Safety Devices. The STOP decal may not adhere properly to the stop sign and could peel off without warning, which could cause it to fail to meet the requirements of the standard. This could increase the risk of injury for the passengers exiting the school bus. Correction: Specialty Manufacturing Inc. will provide owners with a replacement stop sign blade assembly. If owners are not comfortable installing the blade assembly themselves, they can take their vehicle to a dealer for the installation.
A failure of this component (accessories) may increase the risk of a crash or injury.
Authorized dealerships will inspect the vehicle and complete all necessary repairs free of charge (parts and labor).
Certain school buses may fail to conform to Canada Motor Vehicle Safety Standard (CMVSS) 222 – School Bus Passenger Seating and Crash Protection. The SynTec S3B track seat may not provide sufficient strength to pass the rearward push test specified by the standard. In the event of a crash, the S3B track seat could come in contact with the passengers knees which could increase the risk of injury and/or impede egress. Correction: Dealers will install a “toe-clamp” on the feet of the S3B track mounted seat to meet the requirement of CMVSS 222.
A failure of this component (seats and restraints) may increase the risk of a crash or injury.
Authorized dealerships will inspect the vehicle and complete all necessary repairs free of charge (parts and labor).
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